cv2 使用中遇到not enough values to unpack (expected 3, got 2) 解决方法

时间 2021-01-07

标签 python opencv 栏目 Python 繁體版

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python cv2 使用中遇到not enough values to unpack (expected 3, got 2) 异常问过了度娘发现是 opencv 版本的问题 opencv 3.4.3.18 以下版本返回三个参数，以上版本返回2个参数只需要修改为 contours , hierarchy = cv2.findContours(thresh,cv2.RETR_TRE

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1. ValueError: not enough values to unpack (expected 2, got 0)
2. Celery ValueError: not enough values to unpack (expected 3, got 0)的解决方案
3. python3.6.5调用cv2.findContours时报错：ValueError: not enough values to unpack (expected 3, got 2)
4. python调用cv2.findContours时报错：ValueError: not enough values to unpack (expected 3, got 2)
5. yolov3-tiny转onnx报错 not enough values to unpack (expected 2, got 1)
6. 错误:not enough values to unpack (expected 2, got 1)的改进
7. win运行celery的，解决ValueError: not enough values to unpack (expected 3, got 0)
8. pymongo使用sort（）语句报错：not enough values to unpack (expected 2, got 1)的解决方法
9. 成功解决Python中出现的ValueError: not enough values to unpack (expected 2, got 1)的问题
10. Win10启动Celery报错解决方案 Task handler raised error: ValueError: not enough values to unpack

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